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Noble gases are unreactive because their outermost shell, the valence shell, has a full set of eight electrons.

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Q: Explain why noble gases are unreactive in terms of electron shells?
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How do the electron configurations of the noble gases make them all highly unreactive?

Noble gases have completely filled orbitals / electron energy shells. They are stable and chemically inert (non-reactive). So generally they will not accept / gain / share electrons and they do not form compounds.


Why are the noble gases unreative?

they have completely filled shells (or orbitals) and are hence stable and unreactive.


Does noble gases have full valence shells?

Their shells are always full (unless something wacky happens). This is why they are so unreactive.


What are the gases are considered inactive and they do not react with other elements?

Noble gases are very unreactive because the valence electron shell is filled.


How many electron shells do noble gases have?

The number of electron shells depends on the noble gas. The number of shells will be equal to the period in which the noble gas is present.


Explain why Krypton and Xenon do not readily react to form compounds?

They are noble gases whose electron shells are full. They cannot, therefore, form ions.


What are characteristics of inert atoms?

It an atom that is extremely unreactive. The most inert atoms are the noble gases: helium (He), neon (Ne), argon (Ar), krypton (Kr) and xenon (Xe). Their valence electron shells are complete (the so-called octet rule is satisfied).


Which group or family is virtually unreactive?

In general, it is the Group 18 elements, which are the inert or noble gases, that do not want to react with other elements. You'll recall that helium, neon, argon, krypton, xenon and radon are the inert gases, and each one of them has a full outer (valence) electron shell. The fact that the valence shells of these elements are full will cause them to generally be unreactive.


What familyof coumpounds is most likely to be relatively unreactive?

The "Noble gases" of group VIII are unreactive, because they are stable, due to their electron arrangements. If an atom has a full outer shell, it is "happy" and will not bond with other atoms.


What is group 18 called and why?

Group 18 elements are called noble gases. They are called noble gases because they are generally unreactive and do not readily form compounds with other elements. Their outermost electron shells are completely filled, which contributes to their stability and lack of reactivity.


Using neon as an example explain why noble gases are unreactive?

he outer shell for electrons is full


Are noble gases reactive or unreactive?

Unreactive